Struct FlushMetrics 

pub struct FlushMetrics {

    pub batch_count: u64,
    pub sync_batch_count: u64,
    pub write_request_count: u64,
    pub write_bytes: u64,
    pub callback_count: u64,
    pub group_wait_count: u64,
    pub group_wait_us: u64,
    pub group_wait_max_us: u64,
    pub queued_wait_us: u64,
    pub queued_wait_max_us: u64,
    pub write_us: u64,
    pub write_max_us: u64,
    pub sync_us: u64,
    pub sync_max_us: u64,
    pub batch_us: u64,
    pub batch_max_us: u64,
    pub batch_size_max: u64,
    pub batch_bytes_max: u64,
    pub last_batch_size: u64,
    pub last_batch_bytes: u64,
    pub last_callback_count: u64,
    pub last_sync_us: u64,
    pub last_queued_wait_max_us: u64,
    pub group_wait_percentiles: FlushLatencyPercentiles,
    pub queued_wait_percentiles: FlushLatencyPercentiles,
    pub write_percentiles: FlushLatencyPercentiles,
    pub sync_percentiles: FlushLatencyPercentiles,
    pub batch_percentiles: FlushLatencyPercentiles,
}

Aggregated flush worker metrics.

Fields

batch_count: u64

Number of write batches processed by the flush worker.

sync_batch_count: u64

Number of batches that required a filesystem sync.

write_request_count: u64

Number of write requests included in all batches.

write_bytes: u64

Total bytes written by the flush worker.

callback_count: u64

Number of callbacks sent after write batches.

group_wait_count: u64

Number of times the flush worker intentionally waited for batching.

group_wait_us: u64

Total intentional group-commit wait time, in microseconds.

group_wait_max_us: u64

Maximum intentional group-commit wait time, in microseconds.

queued_wait_us: u64

Total request queue wait before a batch starts writing, in microseconds.

queued_wait_max_us: u64

Maximum request queue wait before a batch starts writing, in microseconds.

write_us: u64

Total file write time, in microseconds.

write_max_us: u64

Maximum file write time for one batch, in microseconds.

sync_us: u64

Total filesystem sync time, in microseconds.

sync_max_us: u64

Maximum filesystem sync time for one batch, in microseconds.

batch_us: u64

Total batch processing time, in microseconds.

batch_max_us: u64

Maximum batch processing time, in microseconds.

batch_size_max: u64

Largest number of write requests in one batch.

batch_bytes_max: u64

Largest number of bytes written by one batch.

last_batch_size: u64

Number of write requests in the latest batch.

last_batch_bytes: u64

Number of bytes written by the latest batch.

last_callback_count: u64

Number of callbacks sent by the latest batch.

last_sync_us: u64

Filesystem sync duration of the latest batch, in microseconds.

last_queued_wait_max_us: u64

Request queue wait maximum of the latest batch, in microseconds.

group_wait_percentiles: FlushLatencyPercentiles

Intentional group-commit wait latency percentiles, in microseconds.

queued_wait_percentiles: FlushLatencyPercentiles

Per-batch max request queue wait latency percentiles, in microseconds.

write_percentiles: FlushLatencyPercentiles

File write latency percentiles, in microseconds.

sync_percentiles: FlushLatencyPercentiles

Filesystem sync latency percentiles, in microseconds.

batch_percentiles: FlushLatencyPercentiles

Whole batch processing latency percentiles, in microseconds.

Trait Implementations

impl Clone for FlushMetrics

fn clone(&self) -> FlushMetrics

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FlushMetrics

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for FlushMetrics

fn default() -> FlushMetrics

Returns the “default value” for a type.

impl PartialEq for FlushMetrics

fn eq(&self, other: &FlushMetrics) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for FlushMetrics

impl StructuralPartialEq for FlushMetrics